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4318 Bata (1980 DE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103640361799517 4.0087e-08  
a 3.222211069664384 1.7466e-08 au
q 2.888259948609959 1.3273e-07 au
i 9.540721624953113 4.2631e-06 deg
node 33.13071551452701 2.433e-05 deg
peri 96.77323838956039 3.4062e-05 deg
M 22.14152432857231 2.139e-05 deg
tp 2458870.562525770481
(2020-Jan-22.06252577)
0.00012573 TDB
period 2112.65900343922
5.78
1.7177e-05
4.703e-08
d
yr
n .1704013754297083 1.3855e-09 deg/d
Q 3.55616219071881 1.9276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2519  
   data-arc span      23061 days (63.14 yr)  
   first obs. used      1957-04-28  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:07:45  

Additional Information
 Earth MOID = 1.92309 au 
 Jupiter MOID = 1.55688 au 
 T_jup = 3.159 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.8   n/a MPO458873  
diameter diameter 25.790 km 4.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.571 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.055   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4318 Bata (1980 DE1)          Discovered 1980-Feb-21 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 DE1 = 1977 TB3 = 1986 GJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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